-3(2a-1)=15

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Solution for -3(2a-1)=15 equation: 


Simplifying
-3(2a + -1) = 15

Reorder the terms:
-3(-1 + 2a) = 15
(-1 * -3 + 2a * -3) = 15
(3 + -6a) = 15

Solving
3 + -6a = 15

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-3' to each side of the equation.
3 + -3 + -6a = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -6a = 15 + -3
-6a = 15 + -3

Combine like terms: 15 + -3 = 12
-6a = 12

Divide each side by '-6'.
a = -2

Simplifying
a = -2

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